The river rises just to the north of the town of Andover, and flows through the centre of the town. It then flows in a southerly direction through the villages of Upper Clatford, Goodworth Clatford and Cottonworth before joining with the River Test just below Chilbolton.Ordnance Survey (2004). OS Explorer Map 131 - Romsey, Andover & Test Valley. ISBN 0-319-23600-5. A partnership with several agencies and local organisations to improve the River.

The Anton has some of the very best Trout fishing in Hampshire, with fly fishing being the only method allowed. The fishing rights are private however although day or season rights may be purchased.